See the method constantize.

On Thu, Feb 9, 2012 at 8:38 PM, Erwin <yves_duf...@mac.com> wrote:

> I have a polymorphic class Event
>
> class Event < ActiveRecord::Base
>  belongs_to :taskable, :polymorphic => true
>
> so an event.instance has  :  event.taskable_type    and
> event.taskable_id
> i.e.   event[:taskable_type] = "Project"  event[:taskable_id] = 2
>
> Is it possible to localize the  taskable_type  ( "Project")  using
> Model.model_name.human ?   taskable_type is a string...
>
> I tried to get it from the instance ,
> event.taskable.model_name.human, but model_name is not an AR instance
> method
> ( NoMethodError: undefined method `human_name' for #<Project...>
>
>
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